EP 1031764 A1 20000830 - Transmission unit for motor vehicles
Title (en)
Transmission unit for motor vehicles
Title (de)
Getriebeeinheit für Kraftfahrzeuge
Title (fr)
Dispositif de transmission pour véhicules automobiles
Publication
Application
Priority
BE 9900119 A 19990224
Abstract (en)
Transmission unit for motor vehicles of the type containing a continuous variable transmission (2) consisting of an ingoing shaft (3), a driven shaft (4), two pulleys (5-6) situated on the ingoing shaft (3) and the driven shaft (4) respectively, and an endless transmission element (7) provided between said pulleys (5-6), whereby the above-mentioned pulleys (5-6) each consist of two pulley halves (8-9, 10-11) with conical contact surfaces (12) which can be axially adjusted in relation to one another, such that the transmission ratio between the ingoing shaft (3) and the driven shaft (4) can be continuously altered, whereby the transmission element (7) consists of a lubricated belt which is provided with metal parts (13) having contact surfaces (14) which work in conjunction with the above-mentioned conical contact surfaces (12) of the pulley halves (8-9, 10-11), and whereby the contact surfaces (14) of the parts (13) have a profiling (17), in particular a profiling (17) procuring a thin-film lubrication, characterized in that the conical contact surfaces (12) of the pulley halves (8-9, 10-11) concerned are polished. <IMAGE>
IPC 1-7
IPC 8 full level
B24B 29/04 (2006.01); F16G 5/16 (2006.01); F16H 9/12 (2006.01); F16H 9/24 (2006.01); F16H 55/36 (2006.01); F16H 55/56 (2006.01); F16H 57/04 (2010.01)
CPC (source: EP KR US)
B24B 29/04 (2013.01 - EP US); F16G 5/16 (2013.01 - EP US); F16G 5/163 (2013.01 - EP US); F16H 9/24 (2013.01 - EP US); F16H 55/36 (2013.01 - KR); F16H 55/56 (2013.01 - EP US); F16H 57/04 (2013.01 - EP US)
Citation (applicant)
EP 0574085 A1 19931215 - VCST NV [BE]
Citation (search report)
- [A] EP 0381258 A1 19900808 - DOORNES TRANSMISSIE BV [NL]
- [A] GB 1549403 A 19790808 - DOORNES TRANSMISSIE BV
- [A] US 4794741 A 19890103 - VAN DIJK JOHANNES A [NL]
- [DA] EP 0574085 A1 19931215 - VCST NV [BE]
Designated contracting state (EPC)
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE
DOCDB simple family (publication)
EP 1031764 A1 20000830; EP 1031764 B1 20031126; AT E255209 T1 20031215; BE 1012482 A3 20001107; DE 60006729 D1 20040108; DE 60006729 T2 20040930; JP 2000240745 A 20000905; KR 100680629 B1 20070209; KR 20000058176 A 20000925; US 6537166 B1 20030325
DOCDB simple family (application)
EP 00200530 A 20000217; AT 00200530 T 20000217; BE 9900119 A 19990224; DE 60006729 T 20000217; JP 2000047851 A 20000224; KR 20000009024 A 20000224; US 51230800 A 20000224